Publications about Natural History, 1990 to 2008.

This list of articles and reports has been compiled by Stuart Warrington (Editor of the Herts Naturalist) and it includes published articles that make reference to the natural history of Hertfordshire. In many cases, one or more of the field sites were in the County. These publications are in addition to those in the Transactions of the Hertfordshire Natural History Society.

Aldridge, M.C. (1998) Volucella zonaria (Dipt: Syrphidae) - a recent northwards extension of range into Hertfordshire. Entomologist's Monthly Magazine, 134: 292.

Allen-Williams, L.J., Downes, S., James, T.J. & Warrington, S. (1999) The creation of species- rich calcareous grassland by seed on a road verge in Hertfordshire. Journal of Practical Ecology and Conservation 3: 23-31. [greater diversity on the bare chalk rather than where topsoil had been spread, the field site was near Redbourn, Herts. Research carried out at the Univ. Herts]

Anon (1991) Rothamsted Experimental Station Guide to the Classical Experiments. Lawes Agricultural Trust, Harpenden, Herts. 31 pp.

Attewell, PJ (2004). Lasius brunneus (Latr.) (Hymenoptera: Formicidae): house ant, hero and coward. British Journal of Entomology and Natural History 17: 24. [this note mainly refers to records and observations from Herts.]

Austin, J.P. (1995) Hatfield Great Wood and its enclosure. Hertfordshire’s Past 38: 2-7.

Austin, J.P. (2001) Traditional woodland management: The woods of the Manor of 1776-1843. Hertfordshire’s Past 51: 2-12.

Baldock, D. (2004) Wildlife reports: Bees, wasps and ants. British Wildlife 16: 60 – 62 [notes a 2003 record of the bumblebee Bombus hypnorum from Rothamsted, Herts, a species new to Britain]

Barclay, M. V. L. (2003) A record of Uloma culinaris (Linnaeus) (Col.: Tenebrionidae) from the British Isles, with a discussion of its European biology. Entomologist’s Record & Journal of Variation 115: 181 - 186. [an interesting paper on this beetle which is known in Britain only from specimens collected in two areas, the first of them being Bushey Hall near ]

Baxter, I.L. (2002) Occipital perforations in a late Neolithic probable aurochs (Bos rimigenius Bojanus) cranium from Letchworth, Hertfordshire, UK. International Journal of Osteoarchaeology 12: 142-3. [a cranium from a late Neolithic archaeological site at Letchworth, Herts]

Bennion, H. (1994) A diatom-phosphorus transfer function for shallow eutrophic ponds in southeast England. Hydrobiologia 276: 391-410. [one field site was Marsworth Reservoir, Herts]

Betts, R. T. & Boreham, S. (2004) Evidence For A New Hoxnian Interglacial Site at School Field, Tednambury, Hertfordshire. Quaternary Newsletter 104: 2-11

Boreham S. & Gibbard, P.L. (1995) Middle Pleistocene Hoxnian Stage interglacial deposits at Hitchin, Hertfordshire, England. Proceedings of the Geologists' Association 106: 259-270.

Bryant, S., Perry, B. and Williamson, T (2005) A Relict Landscape in South : archaeological and topographic investigations in the Wormley Woods area. Landscape History 27:

Bull, I.D., Van Bergen, P.F., Poulton, P.R. & Evershed, R.P. (1998) Organic geochemical studies of soils from the Rothamsted Classical Experiments – II. Soils from the Hoosfield spring barley experiment treated with different quantities of manure. Organic Geochemistry 28: 11-16. [analyses of soils from experiments at Rothamsted, Harpenden, Herts]

Carreck, N.L. & Williams, I.H. (1997) Observations on two commercial flower mixtures as food sources for beneficial in the UK. Journal of Agricultural Science 128: 397-403. [observations were made in Herts of the flowering phenology & attractiveness to beneficial insects, research by Rothamsted staff]

Chapman, N., Harris, S. & Stanford, A. (1994) Reeves Muntjac in Britain: their history, spread, habitat selection & the role of human intervention. III. Accelerating their dispersal. Mammal Review 24: 113-160. [discussion of the population at Tring, Herts]

Clarke, M. (2001) Mammals, Amphibians and Reptiles of Hertfordshire. HNHS & Training Publications, Watford.

Copp, G.H., Warrington, S. & de Bruine, Q. (1994) Comparison of diet in stone loach Barbatula barbatula (L.) and bullhead Cottus gobio (L.) in a small stream. Folia Zoologica 43: 171-176 [the field site was a Herts stream, research carried out at the Univ. Herts]

Copp, G.H. & Bennetts, T.A. (1996) Short-term effects of removing riparian and instream cover on barbel (Barbus barbus) and other fish populations in a stretch of English chalk stream. Folia Zoologica 45: 283–288. [the field site was the River Lee in Herts, research carried out by the University of Hertfordshire]

Copp, G.H., Edmonds-Brown, V.R. & Cottey, R. (1998) Behavioural interactions and microhabitat use of stream-dwelling sticklebacks Gasterosteus aculateus and Pungitius pungitius in the laboratory and field. Folia Zoolologica 47: 275-286. [the field site was a Herts stream, research carried out at the Univ. Herts]

Copp, G.H., Faulkner, H., Doherty, S., Watkins, M. S. & Majerki, J. (2002) Diel drift behaviour of fish eggs and larvae, in particular barbel, Barbus barbus (L.), in an English Chalk Stream. Fisheries Management and Ecology 9: 93-103. [the field site was the River Lee in Herts, research carried out at the Univ. Herts]

Copp, G.H. & Roche, K. (2003) Range and diet of Eurasian otters Lutra lutra (L.) in the catchment of the River Lee (south-east England) since re-introduction. Aquatic Conservation 13: 65-76. [review of the otters in Herts, using a variety of sources of information]

Copp, G.H. & Kovác, V. (2003) Sympatry between three-spine Gasterosteus aculeatus and nine- spine Pungitius pungitius sticklebacks in English lowland streams. Annales Zoologici Fennici 40: 341-355. [study sites are Rivers Hiz, Oughton, Ashbrook in Herts, research carried out at the Univ. Herts]

Copp, G.H., Wesley, K., Kovác, V., Ives, M. & Carter, M.G. (2003) Introduction and establishment of the pikeperch Stizostedion lucioperca (L.) in Stanborough Lake (Hertfordshire) and its dispersal in the Thames catchment. The London Naturalist 82: 139-153. [research carried out at the Univ. Herts and the Environment Agency]

Copp, G.H. (2004) Behaviour of young and small fishes in the River Lee (Hertfordshire) over a twenty-four-hour cycle in mid-summer. The London Naturalist 83: 87 – 95 [sample site was a natural section of the River Lee at Woolmer’s Park, west of Hertford, which was investigated in August 1996. More fish occurred in the mid-channel at night, of minnow, gudgeon, stone loach, chub, bullhead, barbel and three-spined stickleback]

Copp, G.H., Spathari, S. & Turmel, M. (2005) Consistency of diel behaviour and interactions of stream fishes and invertebrates during summer. River Research and Applications 21: 75 – 90 [field site was a natural, unmodified section of the River Lee at Woolmer’s Park, west of Hertford]

Copp, G.H. (2005) Behaviour of young and small fishes in the River Lee over a 24-h cycle in mid-summer. The London Naturalist 83: 87-95.

Copp, G.H., Cerny, J. & Kovác, V. (2008) Growth and morphology of an endangered native freshwater fish, crucian carp Carassius carassius, in an English ornamental pond. Aquatic Conserv:ation: Marine & Freshwater Ecosystems 18: 32–43 [study pond was Bayfordbury Lake, near Hertford]

Copp, G.H., Warrington, S. & Wesley, K.J. (2008) Management of an ornamental pond as a conservation site for a threatened native fish species, crucian carp Carassius carassius. Hydrobiologia 597: 149–155 [study pond was Bayfordbury Lake, near Hertford]

Crispin, M.J. & Warrington, S. (1997) Aspects of the population ecology of Zygaena filipendulae (L.)(: Zygaenidae). Entomologist's Gazette 48: 97-105. [the field site was Bayfordbury, Herts, research carried out at the Univ. Herts]

Denton, J. (2003) Belated records of Lebia cyanocephela (Linnaeus)(Carabidae) in Hertfordshire. The Coleopterist 12: 56 [Specimens taken in 1942-43 near Watford are in Natural History Museum, London]

Dodd, M.E., Silvertown, J., McConway, K., Potts, J. & Crawley, M.J. (1995) Community stability: a 60 year record of trends and outbreaks of species in the Park Grass experiment. Journal of Ecology 83: 277-285. [60 year flora survey, on 7 of the Park Grass experimental plots, Rothamsted, Herts]

Downs, P.W. & Kondolf, G.M. (2002) Post-project appraisals in adaptive management of river channel restoration. Environmental Management 29: 477-496. [one study site was at Kitswell Brook, Hertfordshire]

Duff, J.P. & Thompson, V. (2003) Chalkhill blue on Heath, Hertfordshire. British Wildlife 14: 180-185.

Edmonds-Brown, V.R., Copp, G.H. & Majecki, J. (2004) Diel patterns of drift by macroinvertebrates in the River Lee (Hertfordshire) during low discharge. The London Naturalist 83: 145 – 157 [field site was a natural section of the River Lee at Woolmer’s Park, west of Hertford]

Evans, D.M. & Warrington, S. (1997) The effects of recreational disturbance on wintering waterbirds on a mature gravel pit lake near London. International Journal of Environmental Studies 53: 167-182 [the field site was Stocker's Lake, Herts, research carried out by the University of Hertfordshire]

Everett, C.M. (2000) Lasius brunneus (Latr.) (Hym.: Formicidae) in Hertfordshire ands its occurrence on Norway spruce Picea abies. Entomologist's Record & Journal of Variation 112: 84

Everett, C.M. (2001) Voltinism of Ruby Tiger Phragmatobia fuliginosa (L.) (Lep.: Arctiidae) and other macro- in the Watford district, Hertfordshire. Entomologist’s Record & Journal of Variation 113: 201 - 202.

Everett, C.M. (2001) The continuing spread of Nephus quadrimaculatus (Herbst) (Col.: Coccinellidae). Entomologist’s Record & Journal of Variation 113: 233. [discusses a record from Abbots Langley]

Everett, C.M. (2002) Moths: some recent records of advanced or extended flight periods and of bivoltinism. Entomologist’s Record & Journal of Variation 114: 105-106. [discusses records from the Watford district]

Everett, C.M. (2002) Lymexylon navale (Col.: Lymexylidae) in Hertfordshire. Entomologist’s Record & Journal of Variation 114: 118.

Everett, C.M. (2005) Bombus lucorum (L.) (Hym.: Apidae) active in Hertfordshire in mid- winter. Entomologist’s Record & Journal of Variation 117: 64

Foster, G.N. (1990) Hydroporus scalesianus in the British Home Counties in 1901. Balfour- Browne Club Newsletter 46: 13. [confirms the only record of this rare water beetle for Herts, at Boxmoor in 1901]

Gladwin, Rev. T.W. (1997) The error in treating the Green Emerald Dragonfly Lestes viridis (Vander Linden) as a British species. Journal of the British Dragonfly Society 13: 50-51 [the specimen supposedly caught at Shenley, Herts, was incorrectly labelled]

Gladwin, Tom & Janet (2003) A December record of Wesmaelius subnebulosus (Stephens) (Neur.: Hemerobiidae) in Hertfordshire. Entomologist’s Record & Journal of Variation 115: 118.

Gould, P.J.L. (2004) The Scarce Tissue Rheumaptera cervinalis Scop. (Lep.: Geometridae) from two sites in Hertfordshire. Entomologist’s Record & Journal of Variation 116: 223 - 224.

Gould, P.J. (2005) The Scarce Tissue Rheumaptera cervinalis (Scop.)(Lep.: Geometridae) in Hertfordshire. Entomologists' Record and Journal of Variation 117: 91

Gould, P.J. (2006) Late-flying specimens of Pyla fusca (Haw.)(Lep.: Pyralidae) in Hertfordshire. Entomologists' Record and Journal of Variation 118: 114

Gould, P.J.L. (2006) Further evidence of a second generation of Chrysoteuchia culmella (L.)(Lep: Pyralidae) in Hertfordshire. Entomologist’s Record & Journal of Variation 118: 228- 229.

Gould, P.J.L. (2007) squamosella Stainton (Lep.: ), new to the Hertfordshire (VC20) county list. Entomologist’s Record & Journal of Variation 117: 202.

Gould, P.J.L. (2007) A fourth Hertfordshire (VC20) record of the Apple Pith Blastodacna atra (Haworth) (Lep.: Agonoxenidae). Entomologist’s Record & Journal of Variation 117: 212.

Gould, P.J.L. (2008) The Buttoned Snout Hypena rostralis (L.) (Lep.: Noctuidae) recorded from a new site in Hertfordshire (VC20). Entomologist’s Record & Journal of Variation 120: 24.

Guy, D.G. (1990) Classification and assessment of the chalk on the M25 around the Gade valley, Kings Langley, Hertfordshire. Proceedings of the International Chalk Symposium 1989, pp 441- 448. London, Thomas Telford Ltd.

Halstead, A.J. (2004) Berberis sawfly Arge berberis Schrank (Hymenoptera: Argidae), a pest species new to Britain. British Journal of Entomology and Natural History 17: 131 – 135 [a sawfly species first recorded in Britain in Essex in 2000, also found in Herts at , Cuffley, Lemsford, Royston, Welwyn and by Oct 2003]

Harmer, R., Peterken, G., Kerr, G. and Poulton, P. (2001) Vegetation changes during 100 years of development of two secondary woodlands on abandoned arable land. Biological Conservation 101: 291-304 [the field site was the Broadbalk Wilderness, Rothamsted]

Hodges, D. (2006) Agrilus viridis (Linnaeus)(Buprestidae) new to Hertfordshire. The Coleopterist 15: 105 - 106 [Found at Sarrat Bottom]

Hodges, D. (2006) Harmonia axyridis Pallas in Hertfordshire. Bulletin of the Amateur Entomologists’ Society 65: 145 [See http://www.amentsoc.org/publications/bulletin/articles/harlequin-ladybird-in- hertfordshire.html ]

Holt, P. & Warrington, S. (1996) The analysis of faeces and regurgitated pellets for determining prey size: problems and bias illustrated by a method for green sandpipers Tringa ochropus feeding on Gammarus. Wader Study Group Bulletin 79: 65-68 [field site was Lemsford Springs nature reserve]

Hutchings, T.R., Moffat, A.J. & Kemp, R.A. (2001) Effects of rooting and tree growth of selected woodland species on cap integrity in a mineral capped landfill site. Waste Management Research 19: 194-200 [study at a containment landfill site, Waterford, Herts]

James, T.J. (1994) Agrilus sulcicollis Lacoirdaire (Buprestidae): a jewel beetle new to Britain. The Coleopterist 3: 33 - 35

James, T.J. (1998) Sphinginus lobatus (Olivier)(Melyridae) new to Hertfordshire. The Coleopterist 7: 21

James, T.J. (1998) Troglops cephalates (Olivier)(Melyridae) apparently established in Hertfordshire. The Coleopterist 7: 27

James, T.J. (2006) The continued spread of Agrilus sulcicollis Lacoirdaire (Buprestidae) in Britain. The Coleopterist 15: 138 - 139 [further records in the Broxbourne area and at Danesbury, Welwyn]

Jones, R.A. (2000) Extreme size variation in the hoverfly Episyrphus balteatus (Degeer) (Dip.: Syrphidae). Entomologist’s Record & Journal of Variation 112: 224. [observations from Frithsden Beeches: the author states this site to be in Buckinghamshire but the grid reference (SP998110) is unambiguously inside Herts.]

Jones, R.A. (2001) Some interesting beetles found recently: In 2001 Annual Exhibition. British Journal of Entomology and Natural History 14: 164 [Agrilus sulcicollis found at Ashridge in west Herts]

Kovac, V., Copp, G.H. & Francis, M.P. (1999) Morphometry of the stone loach, Barbatula barbatula: do mensural characters reflect the species' life history thresholds? Environmental Biology of Fishes 56: 105-115. [the field site was a Herts stream]

Marsh, T.J. & Dale, M. (2002) The UK floods of 2000-2001: A hydrometeorological appraisal. Journal of the Chartered Institute for Water and Environmental Engineering 16: 180-188 [includes some information on the River Mimram flow]

Murray, D. (2007) Third British record of Uloma culinaris (L.)(Col.: Tenebrionidae) from southern Hertfordshire. Entomologist’s Record and Journal of Variation 119: 44-45

Murray, D. (2007) Scythris potentillella (Zeller) (Lep.: Scythrididae) new to Hertfordshire. Entomologist’s Record and Journal of Variation 119: 71.

Murray, J.B. (1996) Hertfordshire and Middlesex butterfly report for 1995. Herts & Middx. Branch of Butterfly Conservation, 44pp.

Murray, J.B. (1997) Hertfordshire and Middlesex butterfly and moth report for 1996. Herts & Middx. Branch of Butterfly Conservation, 53pp.

Murray, J.B. & Souter, R. (1998) Hertfordshire and Middlesex butterfly and moth report for 1997. Herts & Middx. Branch of Butterfly Conservation, 57pp.

Murray, J.B. & Souter, R. (1999) Hertfordshire and Middlesex butterfly and moth report for 1998. Herts & Middx. Branch of Butterfly Conservation, 61pp.

Murray, J.B. & Souter, R. (2000) Hertfordshire and Middlesex butterfly and moth report for 1999. Herts & Middx. Branch of Butterfly Conservation, 61pp.

Murray, J.B. & Wood, A. (2001) Hertfordshire and Middlesex butterfly and moth report for 2000. Herts & Middx. Branch of Butterfly Conservation, 60pp.

Murray, J.B. & Wood, A. (2002) Hertfordshire and Middlesex butterfly and moth report for 2001. Herts & Middx. Branch of Butterfly Conservation, 61pp.

Ostoja-Starzewki, J.C. (1999) Xenanoetus vestigialis Mahunka (Acari., Anoetidae) new to Britain, associated with Coprioca acutangula (Zett.)(Dipt., Sphaeroceriidae). Entomologist’s Monthly Magazine 135: 143-144 [44 of these mites were found on a lesser dung fly collected a water trap at Rothamsted]

Palmer, S. (2001) Gelechia senticetella Stdgr. (Lep.: Gelechiidae) in Hertfordshire. Entomologist’s Record and Journal of Variation 113: 42.

Pearson, M. (2006) Management of an artificially created wildflower meadow for common blue Polyommatus icarus butterflies at Bunkers Park, Hertfordshire, England. Conservation Evidence 3: 119-120. http://www.conservationevidence.com/ViewEntry.asp?ID=532

Pilcher, M.W. & Copp, G.H. (1997) Winter distribution and habitat use by fish in a regulated lowland river system of south-east England. Fisheries Management and Ecology, 4: 199-215. [sample sites along the Rivers Lee and Stort, research carried out at the Univ. Herts]

Pilcher, M.W., Copp, G.H. & Szomolai, V. (2004) A comparison of adjacent natural and channelised stretches of a lowland river. Biologia 59: 669 – 673 [fish assemblages are compared in parts of the River Lee and River Stort and fewer fish and five times less biomass were found in channelised sections compared to natural stretches. 12 species were found, with barbel, bream, dace & common carp almost exclusively in natural stretches]

Plant, C.W. (1994) Three hoverflies (Dipt: Syrphidae) new to Hertfordshire, with notes on others. Entomologist's Monthly Magazine, 130: 253-254.

Plant, C.W. (1996) An unusual abundance of Bledius germanicus Wagner (Coleoptera: Staphylinidae) inland during 1994. Entomologist's Record and Journal of Variation 108: 92-94.

Plant, C.W. (1999) Synchronised capture of The Vapourer Orgyia antiqua (L.) (Lep.: Lymantriidae) at lights in England and ? Entomologist's Record and Journal of Variation 111: 198.

Plant, C.W. (1999) Hypochalcia ahenella (D.& S.) (Lep.: Pyralidae) found again in Hertfordshire. Entomologist's Record and Journal of Variation 111: 288.

Plant, C.W. (2000) Chrysoteuchia culmella (L.) (Lep.: Pyralidae) captured in September. Entomologist's Record and Journal of Variation 112: 272.

Plant, C.W. (2000) Dioryctria schuetzeella Fuchs (Lep.: Pyralidae) new to Hertfordshire and a modern county record of Piniphila bifasciana (Haw.) (Lep.: Tortricidae). Entomologist's Record and Journal of Variation 112: 215-216.

Plant, C.W., Honey, M.R. & Martin, G. (2000) Argyresthia trifasciata Stdgr., 1871 (Lep.: Yponomeutidae) new to Hertfordshire (VC 20) and South Essex (VC 18) with further records from London (VCs 17 and 21) and with a summary of its British distribution and status. Entomologist's Record and Journal of Variation 112: 257-262.

Plant, C.W. (2001) More early emergences of moths. Entomologist's Record and Journal of Variation 113: 63-64. [several records from Herts]

Plant, C.W. (2001) More on the changing voltinism of Hertfordshire’s moths. Entomologist's Record and Journal of Variation 113: 202-203.

Plant, C.W. (2001) Oncomera femorata (Fabr.) (Col.: Oedemeridae) new to Hertfordshire. Entomologist's Record and Journal of Variation 113: 230.

Plant, C.W. (2001) Duponchelia fovealis Zell. (Lep.: Pyralidae) and other moths new to Hertfordshire during 2001. Entomologist's Record and Journal of Variation 113: 255-256.

Plant, C.W. (2002) The November Pug? A record of Eupithecia assimilata Doubleday (Lep.: Geometridae) in November. Entomologist's Record and Journal of Variation 114: 35.

Plant, C.W. (2002) Has the flight period of the common spring Orthosia species (Lep.: Noctuidae) changed? Entomologist's Record and Journal of Variation 114: 66-68.

Plant, C.W. (2002) More reports of early insects. Entomologist's Record and Journal of Variation 114: 106-108.

Plant, C.W. (2002) Invasion of the Dotted Chestnuts Conistra rubiginea (D.& S.). Entomologist's Record and Journal of Variation 114: 130.

Plant, C.W. (2002) The Beautiful Snout Hypena crassalis (Fabr.) (Lep.: Noctuidae) taken in Hertfordshire with a note on the doubtful status of some alleged larval host plants. Entomologist's Record and Journal of Variation 114: 159-160.

Plant, C.W. (2003) Unusual abundance of flies (Diptera) at a moth trap on a cold winter’s evening. Entomologist’s Record and Journal of Variation 115: 242-243 [discusses an observation from Ashwell Chalk Quarry, north Herts]

Plant, C.W. (2004) The Straw Dot moth Rivula sericealis (Scop.) (Lep.: Noctuidae): how many broods? Entomologist's Record and Journal of Variation 116: 32 – 36 [includes data from Herts]

Plant, C.W. (2004) Comments on the Buttoned Snout Hypena rostralis (L.) (Lep.: Noctuidae) in Hertfordshire. Entomologist's Record and Journal of Variation 116: 78 – 79.

Plant, C. W. (2006) The Mocha Cyclophora annularia Fabr. (annulata Schultze)(Lep: Geometridae): new to Middlesex, but not quite re-found in Hertfordshire. Entomologist's Record and Journal of Variation 118: 277-278

Plant, C.W., Morris, M.G. & Heal, N.F. (2006) Pachyrhinus lethierryi (Desbrochers, 1875) (Curculionidae) new to Britain and evidently established in south-east England. The Coleopterist 15: 59-65 [1st British record from leylandii in a Bishops Stortford garden 26/4/2003]

Pledger, M. (1998) Buprestids in Broxbourne. Bulletin of the Amateur Entomologist’s Society 57: 234 - 238 [records of the scarce beetles Agrilus angustulus, A.pannonicus, A.sulcicollis, A.viridis]

Reid, J. (2008) Raspbery clearwing moth Pennisetia hylaeiformis (Laspeyres, 1801)(Lep: Sesiidae) in South Cambridgeshire and . Entomologist's Record and Journal of Variation 120: 165-170

Roberts, K. (1995) : conservation and archaeology in and around an RSPB reserve. pp. 237-248 in Cox, M., Straker, V. and Taylor, D. (eds) Wetlands: archaeology and nature conservation. HMSO, London.

Roche, K., Harris, R., Warrington, S. & Copp, G.H. (1995) Home range and diet of re-introduced European otters Lutra lutra (L.) in Hertfordshire rivers. Aquatic Conservation: Marine and Freshwater Ecosystems 5: 87-96.

Sage, B.L. (1998) A Hertfordshire record of the Small Red Damselfly Ceriagrion tenellum (Villers). Journal of the British Dragonfly Society 14: 60

Sear, D.A., Darby, S.E., Thorne, C.R. & Brookes, A.B. (1994) Geomorphological approach to stream stabilization and restoration: a case study of the Mimmshall Brook, Hertfordshire, UK. Regulated Rivers: Research & Management 9: 205-223.

Silvertown, J., Dodd, M.E., McConway, K., Potts, J. & Crawley, M.J. (1994) Rainfall, biomass variation and community composition in the Park Grass experiment. Ecology 75: 2430-2437. [90 year flora & rainfall comparison, of the Park Grass experimental plots, Rothamsted, Herts]

Smith, K.W. (1994) The effects of the 1987 and 1990 storms on great spotted woodpecker Dendrocopus major numbers and nest site selection in two Hertfordshire woods. Pp 124-133 in Ecological responses to the 1987 Great Storm in the woods of south-east England. K J Kirby and G P Buckley (eds). Peterborough, English Nature (English Nature Science 23). [the field sites include and Hitch Wood, Herts]

Smith, K.W., Reed, J.M. & Trevis, B.E. (1992) Habitat use & site fidelity of green sandpipers Tringa ochropus wintering in southern England. Bird Study 39: 155-164. [colour-ringed birds studied at field sites in mid-Herts including Lemsford Springs]

Smith, K.W. (1997) Nest site selection of the great spotted woodpecker Dendrocopus major in two oak woods in southern England and its implications for woodland management. Biological Conservation 80: 283-288. [the field sites were Sherrardspark Wood and Hitch Wood, Herts]

Smith, K.W., Reed, J.M. & Trevis, B.E. (1999) Nocturnal and diurnal activity patterns and roosting sites of Green Sandpipers Tringa ochropus wintering in southern England. Ringing and Migration 19: 315-322. [field sites include Lemsford Springs]

Smith, K.W. (2000) Long term monitoring of great spotted woodpeckers and dead wood. In Long-term studies in British woodlands. Kirby K J & Morecroft M D (Eds.) English Nature Science No. 34, English Nature, Peterborough. [the field sites include Sherrardspark Wood and Hitch Wood, Herts]

Smith, K.W. (2005) Has the reduction of nest-site competition from Starlings Sturnus vulgaris been a factor in the recent rise of Great Spotted Woodpecker Dendrocopos major numbers in Britain? Bird Study 52: 307 - 313 [the study sites were Sherrardspark Wood, Hitch Wood, Wormley Wood and Hoddesdon Park Wood, all in Herts]

Terry, R. (2007) The advantages of ‘Doing the Dirt’: New and interesting moth records for Hertfordshire and Middlesex. Entomologist's Record and Journal of Variation 119: 62-63

Thomas, C.D. & Abery, J.C.D. (1995) Estimating the rates of butterfly decline from distribution maps: the effect of scale. Biological Conservation 73: 59-65. [rates of decline for butterflies in counties, including Herts, from presence/absence data before & after 1970]

Van Bergen, P.F., Bull, I.D., Poulton, P.R. & Evershed, R.P. (1997) Organic geochemical studies of soils from the Rothamsted Classical Experiments – I. Total lipid extracts, solvent insoluble residues and humic acids from the Broadbalk wilderness. Organic Geochemistry 26: 117-135. [analyses of soils from experiments at Rothamsted, Harpenden, Herts]

Warner, D.J., Allen-Williams, L.J., Warrington, S., Ferguson, A.W. & Williams, I.H. (2003) Mapping, characterisation and comparison of the spatio-temporal distributions of cabbage stem flea beetle (Psylliodes chrysocephala), carabids and Collembola in a crop of winter oilseed rape (Brassica napus). Entomologia Experimentalis et Applicata 109: 225-234 [field site at Rothamsted, Harpenden, Herts]

Warrington, S. (1994) Field evidence for intra-specific competition between trees. Journal of Biological Education 28: 186-191 [field site was Bayfordbury, Herts.]

Warrington S. & Brayford J.P. (1995) Some aspects of the population ecology and dispersal of the small skipper Thymelicus sylvestris (Poda) in a series of linked grasslands. The Entomologist 114: 201-209. [the field site was Bayfordbury, Herts]

Warrington, S. & Brookes, R.C. (1998) The growth of hornbeam Carpinus betulus following the reinstatement of pollard management. Forest and Landscape Research 1: 521-529. [investigated the pollards at Knebworth Park, Herts]

Warrington, S. (1999) The aquatic insects of Rye Meads Nature Reserve, Hertfordshire. Entomologist's Monthly Magazine 135: 161-167.

Warrington, S. (2001) Ilybius guttiger (Gyllenhal, 1808)(Dytiscidae) new to Hertfordshire. The Coleopterist 10: 58. [found at nature reserve]

Warrington, S. (2002) Jack Balfour-Browne in Hertfordshire and his detailed study of ponds at Tewin. Latissimus 15: 33-34.

Watkins, M.S., Doherty, S. & Copp, G.H. (1997) Microhabitat use by 0+ and older fishes in a small English chalk stream. Journal of Fish Biology 50: 1010-1024. [the field site was the River Lee, Herts, research carried out at the Univ. Herts]

Welch, R.C., (2007) Ergates faber (Linnaeus) (Cerambycidae) in Hertfordshire. The Coleopterist 16: 22 [an exotic longhorn beetle found at Royston]

Wheeler, A. (2000) Status of the Crucian Carp Carassius carassius (L.) in the UK. Fisheries Management and Ecology 7: 315-322. [notes a pure genetic population at Bayfordbury Lake, Herts]

Wilkinson, K.N. (2003) Colluvial deposits in dry valleys of southern England as proxy indicators of paleoenvironment and land-use change. Geoarchaeology 18: 725-755. [field sites include Pitstone, Coombe Bottom, Pegsdon]

Wilson, J.B., Wells, T.C.E., Trueman, I.C., Jones, G. Crawley, M.J., Dodd, M.E. & Silvertown, J. (1996) Are there assembly rules for plant species abundance? An investigation in relation to soil resources and successional trends. Journal of Ecology 84: 527-538. [relative abundance of flora in the Park Grass experimental plots, Rothamsted, Herts]

Wood, A. (2009) Toadflax Brocade Calophasia lunula (Hufn.) (Lep.: Noctuidae) in Hertfordshire. Entomologist's Record and Journal of Variation 121: 85.

Wright, L.W. (2003) Woodland continuity and change: ancient woodland in eastern Hertfordshire. Landscape History 25:

Wynne, I.R. (1993) Recent records of hoverflies (Dipt: Syrphidae) in Hertfordshire. Entomologist's Monthly Magazine 129: 251-252.

Wynne, I.R., Loxdale, H.D., Brookes, C.P. & Woiwood, I.P. (2003) Genetic structure of fragmented November moth (Lepidoptera: Geometridae) populations in farmland. Biological Journal of the Linnean Society 78: 467-477. [the study site was farmland at Rothamsted, Herts]